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Nant Tarw Stone Circles is a prehistoric stone circle located in Wales and protected as an ancient monument by Cadw. The monument stands on bedrock of Lower Devonian age, comprising mudstone, siltstone and sandstone that formed during the Early Devonian period when this landscape lay beneath marine environments. This ancient geology provides the raw materials from which the circle's stones were sourced, their weathered surfaces bearing testament to thousands of years of exposure to the Welsh climate.
Stone circles represent one of the most significant ritual and ceremonial monuments of Bronze Age Britain, though their construction may have begun in the Neolithic period. These structures typically marked places of gathering, burial or astronomical significance. The Nant Tarw example demonstrates the enduring importance of certain landscape locations to prehistoric communities, who selected this site for their sacred purposes.
The monument's protection status under Cadw reflects its archaeological importance as evidence of Wales's prehistoric heritage. The site's survival provides valuable information about Bronze Age society, settlement patterns and the relationship between communities and their natural environment, including the geology that shaped both the landscape and the materials available to its ancient inhabitants.
Nant Tarw Stone Circles is a scheduled monument protected by Cadw under reference BR070. View the official record →
Nant Tarw Stone Circles is a prehistoric stone circle located in Wales and protected as an ancient monument by Cadw. It is designated a Scheduled Ancient Monument by Cadw under reference BR070.
Nant Tarw Stone Circles dates from the prehistoric period, and is classified as a stone circle. It is one of over 32,000 scheduled monuments protected across the UK.
Nant Tarw Stone Circles is a Scheduled Ancient Monument, legally protected by Cadw — the body responsible for designating and safeguarding heritage sites in Wales. The official designation reference is BR070.
Several scheduled monuments lie within 10 km, including Cerrig Duon Stone Circle (6.1 km), Deserted Settlements 800m N of Blaenau Farm (6.8 km), Carnau'r Gareg Las (7 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Nant Tarw Stone Circles's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Nant Tarw Stone Circles stands on Lower Devonian Rocks (Undifferentiated), bedrock that formed in the Early Devonian. The rock here is mudstone, siltstone and sandstone.